The Natural History Museum of Los Angeles County protects over 35 million specimens and artifacts, dating back 4.5 billion years. Located in Exposition Park, this is one of the most prominent natural history museums in the country, with highlights including the Dinosaur Hall, the Gem and Mineral Hall, the Insect Zoo, the Discovery Center, and the animal habitats from Africa and North America. The Dinosaur Hall is a must-see for kids, with three T. Rex Specimens on display. It is a crown jewel of Los Angeles' museums.